discrete point 中文意思是什麼

discrete point 解釋
不連續點
  • discrete : adj. 1. 分離的，分立的；顯然有別的。2. 不連續的；【數學】離散的；【哲學】抽象的 （opp. concrete）。adv. -ly
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. Some answers to a question on discrete point set extremum

    一種離散點集極值問題的幾個結果
  2. Identifying and parameters extraction of quadric surface based on discrete point

    基於離散點的二次曲面識別及參數提取
  3. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  4. High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria

    當交-交變頻器的輸入頻率非常高，通常為20khz時，為了在零電壓條件下實現逆變器開關管的通斷，變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時，這意味著變換器開關時刻在時間軸上成為不連續的點，而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。
  5. Quick locating algorithm for turning points in discrete point set of plane curve

    平面曲線離散點集拐點的快速查找演算法
  6. A point currently in favor of the discrete system is the general understanding that it enjoys among analysts.

    目前對離散系統有利的一點情況乃是分析工作者喜歡它。
  7. Dynamics of discrete system with friction and multiple - point impact

    受到多點打擊的非理想離散系統沖擊動力學
  8. In the process of steel - making, killing oxygen by adding aluminum process is a controlled object whose parameters are distributed and non - linear, and its observed data are discrete. the key point of this process is model of killing oxygen by adding aluminum process

    煉鋼生產中，定氧加鋁工藝的被控對象具有參數分佈、非線性、動態觀測數據離散等特徵，定氧加鋁模型的建立是該工藝的核心。
  9. Fourth, the theoretical model of optimum technological growth rate under discrete change is erected. technology is a unique production factor because technological growth experiences a mutation when technological increase accumulates to a certain extent. under this condition, the point - mutation model in tom ’ s mutation theory is applied to explain the phenomenon of technological

    將技術作為不同於勞動和資本的特殊生產要素進行考察，即當技術量的積累達到一定程度時，技術增長會產生突變，在此條件下，運用湯姆突變理論中的尖點突變模型，解釋了技術突變現象，討論了勞動和資本的不同組合變化下，在臨界點附近技術突然躍升或下降的突變性質；構建了技術突變完成後的技術增長率優化理論模型。
  10. Concerned the discrete area of the steel shape, a method is presented : searching the best solution of continual variable first by criteria, and next searching optimal solution by the direct - searching method of mixed variable on the original point of the continual result

    慮到型鋼截面的離散化，本文對多層輕鋼框架結構優化提出一種近似的處理方法，即先用準則法求得連續變量最優點，然後將其結果作為混合變量直接搜索法的初始點進行第二步優化。
  11. Chapter 3 investigates the estimation of the domains of attraction of equilibrium points for hopfield neural networks with delays, where hopfield neural networks with discrete and distributed delays are considered. we derive a sufficient condition for an equilibrium point to be locally exponentially stable

    分別針對帶離散時間延遲和帶分散式時間延遲的hopfield神經網路，得出了平衡點局部指數穩定的充分條件，同時提出了一種指數穩定平衡點的吸引域的估計方法。
  12. To answer the first question, a method is developed to store the inventory data at only some discrete time ponts. these time points are determined by time interval and events defined in this paper. for the second question, we use soft computing to recovery the state at any time point

    文中還提供了一個庫存動態管理的開發實例，連續問題離散化的方法和庫存動態管理模擬演算法在該系統中得到應用，並很好的實現了原油庫存的動態管理，其中動態庫存管理在計劃與調度過程中也是必要的。
  13. ( 3 ) reactive power optimal of radial network is a very complex nonlinear discrete optimal problem. to ensure the speediness, feasibility and optimality, evolution algorithm is improved by combination with interior point sequence linear optimal algorithm and principle of var balance. the improved algorithm is applied to the reactive power optimization and achieves distinct effect

    （ 3 ）配網網路無功優化是一個非常復雜的非線性離散優化問題，為了保證計算結果的快速性、可行性和最優性，本文結合內點法的逐次線性優化方法，以及配網電壓調節的特點，對模擬進化優化方法進行了改進，並將該演算法應用於配網無功優化問題的求解，取得了顯著的效果。
  14. ( 2 ) reactive power optimal of hv network is a very complex nonlinear discrete optimal problem. to ensure the speediness, feasibility and optimality, evolution algorithm is improved by combination with interior point sequence linear optimal algorithm and expert knowledge of voltage / var adjustment. the improved algorithm is applied to the reactive power optimization and achieves distinct effect

    （ 2 ）高壓網路無功優化是一個非常復雜的非線性離散優化問題，為了保證計算結果的快速性、可行性和最優性，本文結合內點法的逐次線性優化方法，以及電壓無功調節的專家經驗，對模擬進化優化方法進行了改進，並將該演算法應用於無功優化問題的求解，取得了顯著的效果。
  15. Its security is ensured by the difficulty of elliptic curve ' s discrete logarithm problem by means of the exclusion of supersingle and anomalous elliptic curves and the adoption of a big prime ( more than 160 bits ) for the order of base - point in elliptic curve in this scheme of data encryption

    加密方案中沒有使用超奇異橢圓曲線及異常橢圓曲線，橢圓曲線上基點的階為大素數（長度160比特） ，保證了橢圓曲線離散對數問題的難解性，從而最終保證了整個方案的安全性。
  16. The transient continuously distributive vortex can be replaced by a number of discrete point vortexes. the trajectory of vortex movement was computed with the method of discrete vortex and the axial vortex movement in the inlet side of the pump system was simulated

    將泵入口側連續分佈的渦量場離散成有限數目的離散渦，用離散渦方法計算渦系位置的演化，模擬泵入口渦量場的軸向渦流運動。
  17. This method applies ward - pv equivalent principles to determine the injection power and equivalent impedance of external network boundary buses, and then predictor - corrector primal - dual interior point method of discrete control variables to address the sub - problem of reactive optimization of equivalent network

    該方法採用ward ? pv等值原理來確定外部網路邊界節點的等值注入功率和等值阻抗，再應用考慮離散變量的預測-校正原對偶內點法來求解等值網路的無功優化子問題。
  18. In the wavefield - spread area, we uses the phase - shift operator as constraint in frequency - wavenumber field, while beyond the wavefield - spread data, we uses zero point at the ends of phase - shift operator as constraint to take discrete smooth interpolation so that the resulted operator satisfies two - order smooth and the length of this operator can be selected shorter in frequency - space field

    通過離散光滑插值法，在頻率波數域中，以傳播區內的相移運算元為約束，在傳播區外的運算元兩端處以零點為約束，進行離散光滑插值，使得所得運算元具有二階光滑可導性，則其對應的頻率空間域中的運算元就可以取得很短。
  19. This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process

    文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究，採用將銑刀上的每個刀尖劃出的曲面離散化的方法，以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量，得出了銑刀與工件的求交演算法。
  20. Discrete point method

    離散點法
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